chromium/third_party/blink/renderer/platform/widget/input/widget_input_handler_manager.h

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_WIDGET_INPUT_WIDGET_INPUT_HANDLER_MANAGER_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_WIDGET_INPUT_WIDGET_INPUT_HANDLER_MANAGER_H_

#include <atomic>
#include <memory>
#include <optional>

#include "base/task/single_thread_task_runner.h"
#include "base/types/optional_ref.h"
#include "base/types/pass_key.h"
#include "build/build_config.h"
#include "cc/input/browser_controls_state.h"
#include "cc/trees/paint_holding_reason.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/shared_remote.h"
#include "third_party/blink/public/mojom/input/input_handler.mojom-blink.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/widget/input/input_handler_proxy.h"
#include "third_party/blink/renderer/platform/widget/input/input_handler_proxy_client.h"
#include "third_party/blink/renderer/platform/widget/input/main_thread_event_queue.h"
#include "third_party/blink/renderer/platform/wtf/thread_safe_ref_counted.h"

namespace cc {
class EventMetrics;
}

namespace gfx {
struct PresentationFeedback;
}  // namespace gfx

namespace blink {
namespace scheduler {
class WidgetScheduler;
}  // namespace scheduler

class CompositorThreadScheduler;
class SynchronousCompositorRegistry;
class SynchronousCompositorProxyRegistry;
class WebInputEventAttribution;
class WidgetBase;

// This class maintains the compositor InputHandlerProxy and is
// responsible for passing input events on the compositor and main threads.
// The lifecycle of this object matches that of the WidgetBase.
class PLATFORM_EXPORT WidgetInputHandlerManager final
    : public ThreadSafeRefCounted<WidgetInputHandlerManager>,
      public InputHandlerProxyClient,
      public MainThreadEventQueueClient { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_WIDGET_INPUT_WIDGET_INPUT_HANDLER_MANAGER_H_